We pick 436 and 230 from the hi-res image, the difference should be around {{ (436 - 230) * 2.9 }}

We already matched 436 It seems that the following points match in z axis:

super high-res z high-res z scaled high-res z trimmed high-res z
0 213 0 0
68 230 34 17
894 436 446 223
986 459 492 246
x/y high-res pyrDown(scaled scaled high-res) scaled super high-res
x 142 0 0
x 386 244 487
y 158 0 0
y 387 229 458

Drafts